Journalist Paul Salopek embarks on a seven-year global trek from Africa to Tierra Del Fuego, following in the footsteps of our restless forebears.
A U.N. program to reduce emissions faces stiff obstacles as it seeks to gain momentum in Warsaw.
A UN panel to conclude that rising temperatures will pose a risk to future food supplies.
When it comes to climate change, we live on a tropical planet — we just don’t realize it.
Tropical plants are migrating due to climate change, but can they move fast enough?
Sean Gallagher spent seven years traveling across China. Here, he debunks five myths about the complex environmental issues facing 21st century China.
Peter Gwin has spent months traveling throughout Mali and its neighboring countries since 2005. He explains how history and geography helped create the current crisis.
Mali has gone from one of Africa's model democracies to a haven for al Qaeda, leaving the people of Timbuktu asking what happens next?
Irrigation and hydroelectric projects along with shrinking glaciers are reducing the flow of the Indus River--and increasing tensions between Pakistan and India.
Tuareg rebels have been fighting the Niger government, with some support from Libyan leader Muammar Qaddafi, for a share in the lucrative uranium mined on their lands.
A new study predicts there could be 11,000 deaths in Haiti attributed to cholera infections between March and November of 2011, but NGOs aren't offering any lasting solutions to the problem.
Rising temperatures and fluctuating weather conditions in Mongolia's countryside could be caused by global warming.